| Tournament | Round | Doris Schwenn | Gillian Briggs |
| 22.11.1998 Xmas (SA) | 2 | 293 | 405 |
| 19.03.2000 March (SA) | 4 | 400 | 322 |
| 20.08.2000 Unley (SA) | 5 | 356 | 352 |
| 14.01.2001 January Open (SA) | 3 | 372 | 272 |
| 13.01.2002 January Open (SA) | 4 | 375 | 336 |
| 09.03.2002 South Australian Championships (SA) | 7 | 384 | 284 |
| 21.07.2002 Unley July (SA) | 3 | 409 | 323 |
| 08.03.2003 South Australian Championships (SA) | 13 | 364 | 432 |
| 21.04.2003 Australian Championships (SA) | 8 | 354 | 329 |
| 13.09.2003 Southern Tournament (SA) | 1 | 335 | 324 |
| 26.10.2003 Unley October (SA) | 4 | 400 | 299 |
| 30.05.2004 Northern Tournament (SA) | 1 | 408 | 436 |
| 29.08.2004 Unley August (SA) | 5 | 253 | 405 |
| Head-to-head after 13 games | 9 | 4 | |
| Average score | 361.76 | 347.61 | |
| Spread: | 184 | -184 | |